| Acronym | Definition |
|---|
| I&S➣Individuals and Societies (course; various locations) |
| I&S➣Industrial Solutions & Services (Siemens) |
| I&S➣Interest and Sinking |
| I&S➣Itchy and Scratchy (The Simpsons) |
| I&S➣Integration and Support (US DoD) |
| I&S➣Interoperability & Standards |
| I&S➣Interchangeability & Substitutability |
| I&S➣Interchangeable & Substitution |
| I&S➣Inspection and Survey (US Navy) |